freeCodeCamp/curriculum/challenges/chinese/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/learn-how-javascript-assertions-work.chinese.md

id	title	challengeType	videoUrl	localeTitle
587d824a367417b2b2512c46	Learn How JavaScript Assertions Work	2		了解JavaScript断言的工作原理

Description

提醒一下，这个项目是基于Glitch的以下入门项目构建的，或者是从GitHub克隆的。使用assert.isNull（）或assert.isNotNull（）来使测试通过。

Instructions

Tests

tests:
  - text: 所有测试都应该通过
    testString: 'getUserInput => $.get(getUserInput("url") + "/_api/get-tests?type=unit&n=0").then(data => {assert.equal(data.state,"passed"); }, xhr => { throw new Error(xhr.responseText); })'
  - text: 选择正确的断言 -  isNull vs. isNotNull
    testString: 'getUserInput => $.get(getUserInput("url") + "/_api/get-tests?type=unit&n=0").then(data => {  assert.equal(data.assertions[0].method, "isNull", "Null is null"); }, xhr => { throw new Error(xhr.responseText); })'
  - text: 选择正确的断言 -  isNull vs. isNotNull
    testString: 'getUserInput => $.get(getUserInput("url") + "/_api/get-tests?type=unit&n=0").then(data => {  assert.equal(data.assertions[1].method, "isNotNull", "1 is not null"); }, xhr => { throw new Error(xhr.responseText); })'

Challenge Seed

Solution

// solution required